Space-Time Codes for Wireless Optical Communications
A space-time channel coding technique is presented for overcoming turbulence-induced fading in an atmospheric optical heterodyne communication system that uses multiple transmit and receive apertures. In particular, a design criterion for minimizing the pairwise probability of codeword error in a sp...
| Main Authors: | , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
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Hindawi Pub. Corp.
2011
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| Online Access: | http://hdl.handle.net/1721.1/66286 https://orcid.org/0000-0002-6094-5861 |
| _version_ | 1826201046833168384 |
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| author | Haas, Shane M. Shapiro, Jeffrey H. Tarokh, Vahid |
| author2 | Massachusetts Institute of Technology. Laboratory for Information and Decision Systems |
| author_facet | Massachusetts Institute of Technology. Laboratory for Information and Decision Systems Haas, Shane M. Shapiro, Jeffrey H. Tarokh, Vahid |
| author_sort | Haas, Shane M. |
| collection | MIT |
| description | A space-time channel coding technique is presented for overcoming turbulence-induced fading in an atmospheric optical heterodyne communication system that uses multiple transmit and receive apertures. In particular, a design criterion for minimizing the pairwise probability of codeword error in a space-time code (STC) is developed from a central limit theorem approximation. This design criterion maximizes the mean-to-standard-deviation ratio of the received energy difference between codewords. It leads to STCs that are a subset of the previously reported STCs for Rayleigh channels, namely those created from orthogonal designs. This approach also extends to other fading channels with independent, zero-mean path gains. Consequently, for large numbers of transmit and receive antennas, STCs created from orthogonal designs minimize the pairwise codeword error probability for this larger class of fading channels. |
| first_indexed | 2024-09-23T11:45:49Z |
| format | Article |
| id | mit-1721.1/66286 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T11:45:49Z |
| publishDate | 2011 |
| publisher | Hindawi Pub. Corp. |
| record_format | dspace |
| spelling | mit-1721.1/662862022-10-01T05:48:41Z Space-Time Codes for Wireless Optical Communications Haas, Shane M. Shapiro, Jeffrey H. Tarokh, Vahid Massachusetts Institute of Technology. Laboratory for Information and Decision Systems Massachusetts Institute of Technology. Research Laboratory of Electronics Shapiro, Jeffrey H. Shapiro, Jeffrey H. Haas, Shane M. Tarokh, Vahid A space-time channel coding technique is presented for overcoming turbulence-induced fading in an atmospheric optical heterodyne communication system that uses multiple transmit and receive apertures. In particular, a design criterion for minimizing the pairwise probability of codeword error in a space-time code (STC) is developed from a central limit theorem approximation. This design criterion maximizes the mean-to-standard-deviation ratio of the received energy difference between codewords. It leads to STCs that are a subset of the previously reported STCs for Rayleigh channels, namely those created from orthogonal designs. This approach also extends to other fading channels with independent, zero-mean path gains. Consequently, for large numbers of transmit and receive antennas, STCs created from orthogonal designs minimize the pairwise codeword error probability for this larger class of fading channels. United States. Defense Advanced Research Projects Agency (Grant MDA972-00-1-0012) 2011-10-17T16:17:39Z 2011-10-17T16:17:39Z 2002-03 2001-06 2011-10-14T15:08:35Z Article http://purl.org/eprint/type/JournalArticle 1687-0433 1110-8657 http://hdl.handle.net/1721.1/66286 Haas, Shane M., Jeffrey H. Shapiro, Vahid Tarokh. "Space-Time Codes for Wireless Optical Communications." EURASIP Journal on Advances in Signal Processing. 2002 Mar 18;2002(3):478950. https://orcid.org/0000-0002-6094-5861 en http://dx.doi.org/10.1155/S1110865702000604 EURASIP Journal on Applied Signal Processing Creative Commons Attribution http://creativecommons.org/licenses/by/3.0/ et al.; licensee BioMed Central Ltd. application/pdf Hindawi Pub. Corp. Hindawi |
| spellingShingle | Haas, Shane M. Shapiro, Jeffrey H. Tarokh, Vahid Space-Time Codes for Wireless Optical Communications |
| title | Space-Time Codes for Wireless Optical Communications |
| title_full | Space-Time Codes for Wireless Optical Communications |
| title_fullStr | Space-Time Codes for Wireless Optical Communications |
| title_full_unstemmed | Space-Time Codes for Wireless Optical Communications |
| title_short | Space-Time Codes for Wireless Optical Communications |
| title_sort | space time codes for wireless optical communications |
| url | http://hdl.handle.net/1721.1/66286 https://orcid.org/0000-0002-6094-5861 |
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